Mercurial > hg > MakeItSo
annotate makeitso/python_package/{{package}}/{{main}}.py @ 238:a1a615aae3d1
dont give up so easily
author | Jeff Hammel <k0scist@gmail.com> |
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date | Thu, 21 Jan 2016 09:48:14 -0800 |
parents | ab726b2f3143 |
children | b4a3e8bbe095 |
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79 | 1 #!/usr/bin/env python |
159 | 2 # -*- coding: utf-8 -*- |
79 | 3 |
4 """ | |
5 {{description}} | |
6 """ | |
7 | |
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8 # imports |
188 | 9 import argparse |
159 | 10 import os |
11 import subprocess | |
79 | 12 import sys |
207 | 13 import time |
159 | 14 |
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15 # python requirements |
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16 # (key, value) = (module, PyPI name) |
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17 requirements = () |
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18 for module, package in requirements: |
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19 try: |
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20 globals()[module] = __import__(module) |
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21 except ImportError: |
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22 # install requirement and try again |
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23 subprocess.check_call(['pip', 'install', package]) |
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24 args = [sys.executable] + sys.argv |
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25 os.execl(sys.executable, *args) |
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26 |
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27 # module globals |
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28 __all__ = ['main', 'Parser'] |
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29 here = os.path.dirname(os.path.realpath(__file__)) |
188 | 30 string = (str, unicode) |
187
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31 |
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32 def ensure_dir(directory): |
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33 """ensure a directory exists""" |
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34 if os.path.exists(directory): |
205 | 35 if not os.path.isdir(directory): |
36 raise OSError("Not a directory: '{}'".format(directory)) | |
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37 return directory |
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38 os.makedirs(directory) |
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39 return directory |
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40 |
188 | 41 |
42 class Parser(argparse.ArgumentParser): | |
43 """CLI option parser""" | |
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44 def __init__(self, **kwargs): |
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http://stackoverflow.com/questions/4375327/python-argparse-preformatted-help-text
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45 kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter) |
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46 kwargs.setdefault('description', __doc__) |
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47 argparse.ArgumentParser.__init__(self, **kwargs) |
207 | 48 self.add_argument('--monitor', dest='monitor', |
49 type=float, metavar='SLEEP', | |
50 help="run in monitor mode") | |
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51 self.options = None |
188 | 52 |
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53 def parse_args(self, *args, **kw): |
197 | 54 options = argparse.ArgumentParser.parse_args(self, *args, **kw) |
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55 self.validate(options) |
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56 self.options = options |
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57 return options |
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58 |
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59 def validate(self, options): |
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60 """validate options""" |
79 | 61 |
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moving to a thing with script template
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62 def main(args=sys.argv[1:]): |
188 | 63 """CLI""" |
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64 |
139 | 65 # parse command line options |
197 | 66 parser = Parser() |
188 | 67 options = parser.parse_args(args) |
79 | 68 |
207 | 69 try: |
70 while True: | |
71 if options.monitor: | |
72 time.sleep(options.monitor) | |
73 else: | |
74 break | |
75 except KeyboardInterrupt: | |
76 pass | |
77 | |
79 | 78 if __name__ == '__main__': |
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79 main() |
207 | 80 |